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Martin Ressaar
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martin.ressaar
GeoGebra
New Resources
Slope of a Straight Line: Run and Rise
Ellipse, Hyperbola and Circle as Envelopes
Rotating Points (Optical Illusion)
Witch of Agnesi - A Classical Construction
Ellipse as Envelope - Correspondence Method
Discover Resources
Complex number multiplication
The Astroid
面積題 D
Parametrized surface
Derivation Of X^2 By Graph
Discover Topics
Triangles
Means
Unit Circle
Variance
Exponential Functions